Cooking grill



FIG. 1 is a top, rear, perspective view of a cooking grill according to our new ornamental design;

FIG. 2 is a top view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a left side view thereof, with the right side view thereof being a mirror image.

The broken lines represent environment or structure and do not form any part of the claimed design. 

CLAIM The ornamental design for a cooking grill, as shown and described. 